Search a number
-
+
400282230 = 23531430411
BaseRepresentation
bin10111110110111…
…101001001110110
31000220012102222210
4113312331021312
51304433012410
6103415234250
712630225405
oct2766751166
91026172883
10400282230
11195a48a67
12b2078986
1364c0cbba
143b23963c
152521c220
hex17dbd276

400282230 has 32 divisors (see below), whose sum is σ = 991669248. Its totient is φ = 103298400.

The previous prime is 400282213. The next prime is 400282279. The reversal of 400282230 is 32282004.

400282230 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 400282197 and 400282206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214276 + ... + 216135.

It is an arithmetic number, because the mean of its divisors is an integer number (30989664).

Almost surely, 2400282230 is an apocalyptic number.

400282230 is an abundant number, since it is smaller than the sum of its proper divisors (591387018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400282230 is a wasteful number, since it uses less digits than its factorization.

400282230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430452.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 400282230 is about 20007.0545058487. The cubic root of 400282230 is about 736.9795496892.

The spelling of 400282230 in words is "four hundred million, two hundred eighty-two thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 155 186 310 465 930 430411 860822 1291233 2152055 2582466 4304110 6456165 12912330 13342741 26685482 40028223 66713705 80056446 133427410 200141115 400282230